Finding the Fourth Proportional to 408,298.08, 563,476.68 and 227,011.44
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Solution
The fourth proportional to 408,298.08, 563,476.68 and 227,011.44 is: 313,289.87
Step by Step Solution
- Step 1: Write the proportion equation
408,298.08 : 563,476.68 = 227,011.44 : x - Step 2: Convert to fraction form
408,298.08/563,476.68 = 227,011.44/x - Step 3: Cross multiply
408,298.08x = 563,476.68 × 227,011.44 - Step 4: Simplify right side
408,298.08x = 127,915,652,533.22 - Step 5: Solve for x
x = 127,915,652,533.22/408,298.08 - Step 6: Final answer
x = 313,289.87
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.